Finding Earth 2.0
MOA-2011-BLG-291L

MOA-2011-BLG-291L b

Discovered by Microlensing in 2018

unknownmeasured

Earth-2.0 index

Earth Similarity Index

Habitable-zone probability

4.43 R⊕

Radius

Planet

Mass18.000 M⊕measured
Bulk density1.140 g/cm³
Orbital period— days
Semi-major axis0.69000 au
Eccentricity
Incident flux— S⊕
Equilibrium temperature— K
Maximum angular separation0.16 masReflected-light contrast 7.16e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources2 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

HostMOA-2011-BLG-291L
Spectral type
Effective temperature— K
Radius— R☉
Mass0.150 M☉
Distance4400.0 pc / 14350.9 ly
DiscoveryMicrolensing, 2018